Complete using the correct form of the phrasal verbs given

I. Complete using the correct form of the phrasal verbs given. 

fall behind

find out

fall off

fall out

fill in

1. When I went to the bank to ask for a loan, I had to ………………………………. hundreds of forms.

2. Oh no! The sign has ………………………………. the wall.

3. I was sick last week and as a result I have ………………………………. in my work.

4. Did you ………………………………. who sent you the package?

5. John and Mary used to ………………………………. a lot and they eventually split